package com.home.demo.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.io.File;

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // 设置允许跨域的路径
        registry.addMapping("/**")
                // 设置允许跨域请求的域名
                .allowedOriginPatterns("*")
                // 是否允许cookie
                .allowCredentials(true)
                // 设置允许的请求方式
                .allowedMethods("GET", "POST", "DELETE", "PUT","OPTIONS")
                // 设置允许的header属性
                .allowedHeaders("*")
                // 跨域允许时间
                .maxAge(3600);
    }

    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        File logoDir = new File("D:\\upload");
        boolean flag = false;
        if (!logoDir.exists()){
            flag = logoDir.mkdirs();
        }
        registry.addResourceHandler("/**")
                .addResourceLocations("file:" + logoDir.getAbsolutePath() + File.separator);
    }
}
